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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0527061 (1995-09-12) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 362 인용 특허 : 21 |
A chemical signal-impermeable mask is positioned in the electrolyte flow such that the mask is between a source of chemical signal and a working electrode which senses the chemical signal transported from the source (e.g., by diffusion). The configuration of the mask is such that the mask prevents s
A chemical signal-impermeable mask is positioned in the electrolyte flow such that the mask is between a source of chemical signal and a working electrode which senses the chemical signal transported from the source (e.g., by diffusion). The configuration of the mask is such that the mask prevents substantially all chemical signal transport from the chemical signal source having a radial vector component relative to a plane of the mask and the catalytic face of the working electrode, thus allowing primarily only chemical signal transport that is substantially perpendicular to the place of the mask and the catalytic surface of the working electrode. By reducing or eliminating chemical signal radial transport toward the working electrode, the mask thus significantly reduces or eliminates edge effects. By substantially reducing edge effects created by radial transport of chemical signal, it is possible to obtain a more accurate measurement of the amount (e.g., concentration) of chemical signal that is transported from a given area of source material.
[ What is claimed is:] [19.] An assembly for use in a monitoring device for monitoring a chemical signal, comprising:a) an ionically conductive material;b) a mask characterized by being impermeable to the chemical signal, the mask being positioned between ionically conductive material and a source o
[ What is claimed is:] [19.] An assembly for use in a monitoring device for monitoring a chemical signal, comprising:a) an ionically conductive material;b) a mask characterized by being impermeable to the chemical signal, the mask being positioned between ionically conductive material and a source of chemical signal; andc) a working electrode which measures chemical signal transported from the source of chemical signalwherein the mask is concentric to the working electrode and further wherein the chemical signal that passes through a plane of the mask is that chemical signal that is transported from the source to the catalytic surface in a manner which is substantially perpendicular to the catalytic surface.
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